661259242

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2485937}}^1$

素因数の和:2485965

約数の個数: 16

約数和(自身を含む): 1193250240

約数和(自身を除く): 531990998

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 2485937, 4971874, 17401559, 34803118, 47232803, 94465606, 330629621, 661259242]

約数ペア:

[(1, 661259242), (2, 330629621), (7, 94465606), (14, 47232803), (19, 34803118), (38, 17401559), (133, 4971874), (266, 2485937)]